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Forward-looking radar GMTI benefits using a linear frequency diverse array

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4 Author(s)
Baizert, P. ; Dept. of Electr. Eng., Air Force Inst. of Technol., AFIT/ENG, OH ; Hale, T.B. ; Temple, M.A. ; Wicks, M.C.

The ability to suppress range ambiguous clutter is difficult for forward-looking arrays in GHTI processing. Use of linear frequency diverse array (FDA) is proposed, whereby each array channel operates at a different frequency and produces a range dependent pattern. The FDA significantly increases output signal-to-interference plus noise ratio (SINR) at the range ambiguous clutter Doppler, suggesting detection improvement. Output SINR is shown to increase by as much as 40 dB when compared to a constant frequency array

Published in:

Electronics Letters  (Volume:42 ,  Issue: 22 )